/**
 ******************************************************************************
 * @file    TimeUtils.c
 * @author  William Xu
 * @version V1.0.0
 * @date    05-May-2014
 * @brief   This file contains function which aid in time calculations.
 ******************************************************************************
 *
 *  The MIT License
 *  Copyright (c) 2014 MXCHIP Inc.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is furnished
 *  to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 *  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 */


#include "TimeUtils.h"
#include "debug.h"
#include "mico.h"
#include <errno.h>

uint32_t TimeDifference(uint32_t inStart, uint32_t inEnd)
{
    return inStart-inEnd;
}

long long ElapsedTimeInMilliseconds(uint32_t inDiff)
{
    return (long long)inDiff;
}

long long ElapsedTimeInMicroseconds(uint32_t inDiff)
{
    return (long long)(inDiff*MICROSECONDS) ;
}

long long ElapsedTimeInNanoseconds(uint32_t inDiff)
{
    return (long long)(inDiff*NANOSECONDS) ;
}

uint64_t UpTicks( void )
{
    return mico_rtos_get_time();;
}

uint64_t UpTicksPerSecond( void )
{
    return MILLISECONDS;
}

void SleepForUpTicks( uint64_t inTicks )
{
    uint64_t  ticks, deadline;

    ticks = UpTicks();
    deadline = ticks + inTicks;
    for( ; ticks < deadline; ticks = UpTicks() )
    {
        ticks = deadline - ticks;
        mico_thread_msleep(ticks);
    }
}